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Keywords:

  • Adhesion;
  • Biomimetics;
  • Electron-beam lithography;
  • Nanofibers
Thumbnail image of graphical abstract

A simple yet robust method to fabricate an array of stooped nanohairs is presented, with a proper choice of material and post e-beam exposure even for an aspect ratio of 10. The stooped nanohairs have the unidirectional feature of frictional adhesion with a remarkably high adhesion force (∼11 N cm−2).